Your Bmw Serie 3 E93 doesn’t want to start? Have you tested all sorts of things? Battery, alternator, spare keys… And you have the feeling that the problem comes from your immobiliser ? It is actually plausible, in fact that it is in question if your automotive doesn’t want to start anymore or stalls when starting for no reason. You want to disable the immobiliser on your Bmw Serie 3 E93 ? You are in the right place, we have written this article to help you see more clearly and solve your concerns connected to this component. First, we will see how the immobiliser works on your Bmw Serie 3 E93, then the different ways to disable it.


How your immobiliser system works on Bmw Serie 3 E93

Before detailing the different solutions available to you, here is a short introduction to demonstrate the purpose and functions of the immobilizer in your Bmw Serie 3 E93. This electronic part appeared 30 years ago and aims to prevent the theft of your Bmw Serie 3 E93. Indeed, thanks to a transponder and an antenna (coil) integrated in the key, and, a immobilisation control box integrated in the ECU and a reception antenna on the neiman, your Bmw Serie 3 E93 will go each time you insert the key in the ignition, it controls that the code emitted by your key is in fact the one required by your immobilization box. It is only at this instant, that it will enable you to turn on your car. It is thanks to RFID technology (chip in the key) that this device will work.

The different alternatives to bypass the immobiliser on your Bmw Serie 3 E93

Enter the code to turn off the immobiliser

First procedure, your key no longer permits your Bmw Serie 3 E93 to start, you want to turn off the immobiliser of your Bmw Serie 3 E93, but first of all you should try this procedure to start it and take it to a mechanic check that you can not execute a less important procedure to bring back the normal start of your vehicle. Indeed, with your vehicle you should have a spare key (which you should try and which should start your Bmw Serie 3 E93), but if you don’t have it you should at least have the “code card”, it contains the start code. Thanks to this code, you will still be able to start your vehicle by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to confirm the digit and resume, repeat the procedure until you have entered the full code. This should enable you to start your Bmw Serie 3 E93 without having to remove the immobiliser.

Repair your key at a key specialist or your car dealer

If despite a battery swap, different attempts to enter the immobiliser code on your Bmw Serie 3 E93 still doesn’t work, it’s most likely your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Bmw Serie 3 E93. Indeed, your transponder must have been affected or must have fallen off your key. To resolve this problem, only solution, go to a key specialist (also available on the internet) or, at your dealer who can fix your Bmw Serie 3 E93 key. Determined by who you go to the repair should cost you about 100 euros if you still have a duplicate or your “code card” and about 350 euros at your dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Bmw Serie 3 E93.

Manually remove your immobilizer

Although you may be attracted to bypass the immobilizer from your Bmw Serie 3 E93, this is not recommended at all for many reasons. First your Bmw Serie 3 E93 would be much more vulnerable to theft attempts. Indeed, without an immobiliser box, simply doing “the wires” may be enough to start it. Additionally to that, your insurance, in case of theft most likely won’t refund you if it knows that the immobiliser on your Bmw Serie 3 E93 has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the methodology, we have made the choice not to disclose it, because it could help people with bad intentions.

Whenever you have any additional questions about the Bmw Serie 3 E93, do not hesitate to consult our Bmw Serie 3 E93 category.